国家/地区 美国（3）
IPC部 B（3） C（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B005/26（3）
发明人
公开年
申请年 2021（2） 
专利权人

Photothermal conversion material used in photothermal conversion material complex for sewage treatment or seawater desalination, has composite including ultraviolet light and infrared light absorbing material is selected from group consisting of tungsten oxide, titanium oxide, copper sulfide.

ASTER A T, NASEEM S, WU C, TESSEMA A A

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Composite composition used in fabric like articles for e.g. garments, comprises nonwoven composite material containing graphene component and polymer component.

GREENWOOD W F, SALCE A, GREENWOOD W